Colligative
properties calculations are used for this type of problem. Calculations are as
follows:
ΔT(freezing point)
= (Kf)m
ΔT(freezing point)
= 1.86 °C kg / mol (0.705)
ΔT(freezing point) = 1.3113 °C
Hope this answers the question. Have a nice day.
